The LABRADOR Service is the technical service of IPNL Laboratory dedicated to metrology of radioactivity. Created in 2003, it is now recognized through its accreditation COFRAC and its 25 ASN approvals. The LABRADOR Service is independent and benefits from the knowledge and the network of IPNL laboratories in the field of radioactivity. The LABRADOR Service conducts environmental measures on liquid matrices, solid and "frottis". The LABRADOR Service also carries out measures related to the dismantling of nuclear reactors or quantifications related to the management of radioactive waste.